Pressure-resistant foam box forming mold

Abstract

The utility model relates to the technical field of foam box forming, and discloses a pressure-resistant foam box forming die which comprises a base plate, an upper die is movably connected to the side, away from a hydraulic rod, of a heat insulation block, four springs are fixedly welded to the outer wall of the top of the base plate, and a bottom plate is fixedly welded to the sides, away from the base plate, of the four springs. Two L-shaped plates are fixedly welded to the outer wall of the top of the base plate, and two inserting rods are fixedly welded to the side, close to the base plate, of the bottom plate. According to the pressure-resistant foam box forming mold, a hydraulic rod is started to drive a heat insulation block to move downwards, an upper mold is driven to move downwards, the upper mold can be matched with a lower mold, the upper mold drives the lower mold to move downwards, a bottom plate is driven to move downwards, the bottom plate extrudes a spring to form a buffering effect, and an inserting rod on the bottom plate can move downwards in an L-shaped plate till making contact with a buffering pad; the service life of the mold can be prolonged, and the problem that the service life and the working efficiency of the injection mold are influenced due to the fact that the mold is damaged by impact force when an upper mold and a lower mold are in contact is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to foamed box forming technical field, concretely to a kind of compression resistance foamed box forming mould. BACKGROUND

[0002] Foamed box is the box type packaging container made of foamed plastic, often be applied in the transportation of fruits and the packaging of goods, foamed plastic is the plastic with many small pores inside, foamed box often, the raw material of foamed box is EPS, the raw material is foamed into the required density, the foamed raw material is loaded into mould and heated, cooling and shaping, drying moisture, to complete the production of foamed box, wherein foamed box forming mould is the main forming tool of box body, in the process, high temperature and high pressure are supplemented, mould is filled to 3-5 atmospheres, so that air enters the inside of granular raw material, and the sealing is removed instantaneously in a planned manner, EPS granular raw material is suddenly foamed and expanded under high pressure to generate EPS cooler outer shape.

[0003] The existing mould is divided into upper mould and lower mould two parts, when the upper mould and the lower mould are closed, the impact force when the upper and lower moulds contact will damage the mould, thereby affecting the service life and working efficiency of the injection mould. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a compression resistance foamed box forming mould to solve the problem that the impact force when the existing upper and lower moulds contact will damage the mould, thereby affecting the service life and working efficiency of the injection mould.

[0005] To achieve the above object, the utility model provides the following technical scheme: a compression resistance foamed box forming mould, including cushion plate, the top outer wall of the cushion plate is fixedly welded with the supporting plate, the outer wall of the supporting plate is fixedly installed with two hydraulic rods, the output end of two hydraulic rods is fixedly installed with heat insulation block, two bolts are arranged in the heat insulation block, the side, away from the hydraulic rod, of the heat insulation block is movably connected with upper mould, the top outer wall of the cushion plate is fixedly welded with four springs, the side, away from the cushion plate, of four springs is fixedly welded with bottom plate, the side, away from the cushion plate, of the bottom plate is movably connected with lower mould, the top outer wall of the cushion plate is fixedly welded with two L-shaped plates, the side, close to the cushion plate, of the bottom plate is fixedly welded with two inserting rods, the top outer wall of the cushion plate is fixedly installed with two buffer pads, four slide holes are formed in the bottom plate, four positioning rods are fixedly installed on the side, close to the bottom plate, of the lower mould, two handles are fixedly welded on the both sides of the lower mould.

[0006] Preferably, the inside of the upper mould is threadedly connected with the outer wall of two bolts, and the outer wall of four positioning rods is slidably connected with the inside of four slide holes.

[0007] Preferably, two said buffer pads are correspondingly arranged with two inserting rods respectively, and the outer walls of the two inserting rods are respectively slidably connected with the interiors of two L-shaped plates.

[0008] Preferably, the bottom outer wall of the lower mold is provided with a heat insulation plate, and the interior of the heat insulation plate is fixedly connected with the outer walls of four positioning rods.

[0009] Preferably, the outer wall of the heat insulation plate is movably connected with the top outer wall of the bottom plate, and four said sliding holes are correspondingly arranged with four springs respectively.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] 1、the anti-pressure foam box forming die, through opening hydraulic rod drives heat insulation block to move down, drives upper mold to move down, upper mold will cooperate with lower mold, upper mold drives lower mold to move down, drives bottom plate to move down, bottom plate will extrude spring, forms the effect of buffering, the inserting rod on the bottom plate will move down in the L-shaped plate, until contacting the buffer pad, can increase the service life of the mold, solve the problem that the impact force will damage the mold when the upper and lower molds contact, and then affect the service life and working efficiency of the injection mold.

[0012] 2、the anti-pressure foam box forming die, when the upper mold needs to be replaced, an auxiliary crane is used to support the upper mold, then a bolt is twisted, the bolt is taken out of the heat insulation block, the upper mold is separated from the heat insulation block, then the upper mold is lifted off by using the auxiliary crane, when the lower mold needs to be replaced, only the handles on both sides are lifted, the lower mold is moved up, and the positioning rods are away from the sliding holes, so that the upper and lower molds are conveniently replaced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic view of the utility model structure;

[0014] Figure 2 It is a side view schematic view of the utility model structure;

[0015] Figure 3 It is an explosion three-dimensional schematic view of the utility model structure.

[0016] In the drawing: 1, pad; 2, support plate; 3, hydraulic rod; 4, heat insulation block; 5, bolt; 6, upper mold; 7, spring; 8, bottom plate; 9, lower mold; 10, L-shaped plate; 11, inserting rod; 12, buffer pad; 13, sliding hole; 14, positioning rod; 15, handle. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] Embodiment:

[0019] Please refer to Figs. 1-3,

[0020] A kind of anti-pressure foam box forming die, including backing plate 1, the top outer wall of backing plate 1 is fixedly welded with bracing plate 2, the outer wall of bracing plate 2 is fixedly installed with two hydraulic rams 3, the output end of two hydraulic rams 3 is fixedly installed with heat insulation block 4, two bolts 5 are arranged in heat insulation block 4, heat insulation block 4 is movably connected with upper die 6 away from hydraulic ram 3, the top outer wall of backing plate 1 is fixedly welded with four springs 7, four springs 7 are fixedly welded with bottom plate 8 away from backing plate 1, bottom plate 8 is movably connected with lower die 9 away from backing plate 1, the top outer wall of backing plate 1 is fixedly welded with two L-shaped plates 10, two inserting rods 11 are fixedly welded on the side of bottom plate 8 close to backing plate 1, two buffer pads 12 are fixedly installed on the top outer wall of backing plate 1, four sliding holes 13 are formed in the inside of bottom plate 8, four positioning rods 14 are fixedly installed on the side of lower die 9 close to bottom plate 8, two handles 15 are fixedly welded on the two sides of lower die 9;

[0021] Specifically, when the mold needs to be used, the hydraulic ram 3 is opened, the hydraulic ram 3 will drive the heat insulation block 4 to move down, the heat insulation block 4 will drive the upper die 6 to move down, the upper die 6 will cooperate with the lower die 9 to extrude the material, the lower die 9 will move down under the extrusion of the upper die 6, the bottom plate 8 will move down under the movement of the lower die 9, the bottom plate 8 will extrude the spring 7, forming a buffering effect, the inserting rod 11 on the bottom plate 8 will move down in the L-shaped plate 10 until it contacts the buffer pad 12, at this time the hydraulic ram 3 will stop working, the spring 7 has a buffering effect, which can increase the service life of the mold, solving the problem that the impact force when the upper and lower dies 9 contact will damage the mold, thereby affecting the service life and working efficiency of the injection mold;

[0022] When the upper die 6 needs to be replaced, the auxiliary crane is used to support the upper die 6, then the bolt 5 is twisted and removed from the heat insulation block 4, the upper die 6 is separated from the heat insulation block 4, then the upper die 6 is lifted away using the auxiliary crane, when the lower die 9 needs to be replaced, only the handles 15 on both sides are lifted to move the lower die 9 up, the positioning rod 14 moves away from the sliding hole 13, achieving the effect of conveniently replacing the upper and lower dies 9;

[0023] In the embodiment: the inner part of the upper mold 6 is threadedly connected with the outer wall of the two bolts 5, and the outer wall of the four positioning rods 14 is respectively in sliding connection with the inner part of the four sliding holes 13.

[0024] Specifically, the inner part of the upper mold 6 is threadedly connected with the two bolts 5, and can be connected through the heat insulation block 4, so as to fix the upper mold 6 on the heat insulation block 4; the positioning rod 14 is correspondingly arranged with the sliding hole 13, so as to fix the lower mold 9; the lower mold 9 can be inserted on the bottom plate 8, so as to facilitate the replacement of the lower mold 9.

[0025] In the embodiment: the two buffer pads 12 are correspondingly arranged with the two insertion rods 11, and the outer wall of the two insertion rods 11 is respectively in sliding connection with the inner part of the two L-shaped plates 10.

[0026] Specifically, the buffer pad 12 is correspondingly arranged with the two insertion rods 11, so as to buffer the insertion rod 11 when it moves downward; the insertion rod 11 is slidingly arranged in the inner part of the L-shaped plate 10, so as to stably move the insertion rod 11 and stably move the structure.

[0027] In the embodiment: the bottom outer wall of the lower mold 9 is provided with a heat insulation plate, and the inner part of the heat insulation plate is fixedly connected with the outer wall of the four positioning rods 14.

[0028] Specifically, the bottom outer wall of the lower mold 9 is provided with a heat insulation plate, so as to have a heat insulation protection effect; the heat insulation plate is fixedly connected with the positioning rod 14, so as to have a stable structure effect.

[0029] In the embodiment: the outer wall of the heat insulation plate is movably connected with the top outer wall of the bottom plate 8, and the four sliding holes 13 are correspondingly arranged with the four springs 7.

[0030] Specifically, the heat insulation plate is movably connected with the bottom plate 8, so as to support the lower mold 9; the heat insulation plate has a certain heat insulation function, so as to avoid the deformation of the bottom plate 8 caused by the overheating of the lower mold 9.

[0031] In the embodiment: the hydraulic rod 3 is a prior art structure, and the control circuit can be realized through simple programming by those skilled in the art, which belongs to the common knowledge in the art. Only the use is described, and the control mode and circuit connection are not improved, so they will not be described in detail.

[0032] Working principle: open hydraulic rod 3 drive heat insulation block 4 down, drive upper die 6 down, upper die 6 will cooperate with lower die 9, upper die 6 drive lower die 9 down, drive bottom plate 8 down, bottom plate 8 will extrude spring 7, form the effect of buffering, the plug rod 11 on bottom plate 8 will be in L type plate 10 down, until contact buffer pad 12, compared with the prior art, the utility model provides a kind of anti-pressure foam box forming die with following beneficial effects: can increase the service life of mould, solve the existing upper and lower mould 9 contact impact force will be damaged to mould, and then will influence injection mould service life and work efficiency problem.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A forming mold for a crush-resistant foam case comprising a base plate (1), characterized in that: The outer wall of the top of the backing plate (1) is fixedly welded with a support plate (2), the outer wall of the support plate (2) is fixedly installed with two hydraulic rods (3), the output ends of the two hydraulic rods (3) are fixedly installed with heat insulation blocks (4), the inside of the heat insulation block (4) is penetrated through with two bolts (5), the side, away from the hydraulic rod (3), of the heat insulation block (4) is movably connected with an upper die (6), the top outer wall of the backing plate (1) is fixedly welded with four springs (7), the side, away from the backing plate (1), of the four springs (7) is fixedly welded with a bottom plate (8), the side, away from the backing plate (1), of the bottom plate (8) is movably connected with a lower die (9), the top outer wall of the backing plate (1) is fixedly welded with two L-shaped plates (10), the side, close to the backing plate (1), of the bottom plate (8) is fixedly welded with two inserting rods (11), the top outer wall of the backing plate (1) is fixedly installed with two buffer pads (12), the inside of the bottom plate (8) is provided with four sliding holes (13), the side, close to the bottom plate (8), of the lower die (9) is fixedly installed with four positioning rods (14), both sides of the lower die (9) are fixedly welded with two handles (15).

2. A compression-resistant foam box forming mold according to claim 1, wherein: The inside of the upper die (6) is threadedly connected with the outer walls of the two bolts (5), and the outer walls of the four positioning rods (14) are respectively in sliding connection with the insides of the four sliding holes (13).

3. A compression-resistant foam box forming mold according to claim 1, wherein: The two buffer pads (12) are respectively correspondingly arranged with the two inserting rods (11), and the outer walls of the two inserting rods (11) are respectively in sliding connection with the insides of the two L-shaped plates (10).

4. A mold for forming a crush-resistant foam box according to claim 1, wherein: The bottom outer wall of the lower die (9) is provided with a heat insulation plate, and the inside of the heat insulation plate is fixedly connected with the outer walls of the four positioning rods (14).

5. A compression-resistant foam box forming mold according to claim 4, wherein: The outer wall of the heat insulation plate is movably connected with the top outer wall of the bottom plate (8), and the four sliding holes (13) are respectively correspondingly arranged with the four springs (7).

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